1, African snail

It is a medium and large terrestrial snail. The length of an adult shell is generally 7-8 cm, and the largest can be more than 20 cm. Nocturnal, omnivorous, mostly active in humid environment, like to haunt in rain and at night.

2. Bullfrog

Bullfrog is a large edible frog with tender meat, delicious taste and rich nutrition. Bullfrog, commonly known as American water frog, is huge, fast growing and high yield. Originated in North America, it has spread all over the world, and it is the main breeding species of edible frogs everywhere.

3. Crayfish

Crayfish is a freshwater economic shrimp, which is widely welcomed by people because of its delicious meat. Because of its omnivorousness, fast growth and strong adaptability, it has formed an absolute competitive advantage in the local ecological environment. Their feeding range includes aquatic plants, algae, aquatic insects, animal carcasses, etc. When food is scarce, they also kill each other.

4. Mikania micrantha

Mikania micrantha is also called Eupatorium adenophorum or Eupatorium adenophorum. It is a perennial herb of Compositae, smooth to hairy.

5. Pomacea canaliculata

Ampullaria canaliculata is a mollusk belonging to Ampullidae and Ampullaria. Shells are similar in appearance to snails. It has a spiral shell, the color varies with the environment and snail age, and it has luster and several thin longitudinal stripes.